How Define Z-index Of Some Popup Windows?

i have 4 popup windows -> width:100% and height:100% is there a way to define z-index of those popup windows? i want to show their parent at top of it's childs! how can i do tha

Solution 1:

You can use the Focus() method

<script type="text/javascript">
var newWin = window.open(...); 
window.focus(); // Will cause parent window to be ON TOP of child window
</script>